Earphone



FIG. 1 is a front, left perspective view of an earphone showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures show portions of the earphone that form no part of the claimed design. 

CLAIM The ornamental design for an earphone, as shown and described. 